#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
void sum_diff(float op1, float op2, float* psum, float* pdiff)
{
	*psum = op1 + op2;
	*pdiff = op1 - op2;

}
int main()
{
	float a, b, psum, pdiff;
	scanf_s("%f %f", &a, &b);
	sum_diff(a, b, &psum, &pdiff);
	printf("The sun is %.2f\nThe diff is %.2f\n", psum, pdiff);
	return 0;
}